feat(flutter): 增加关键操作震动反馈

lib/pages/player/player_view.dart

@@ -15,6 +15,7 @@ import '../../core/data/services/playback_session.dart';
 import '../../core/data/services/video_player_port.dart';
 import '../../core/formatting/error_text.dart';
 import '../../core/formatting/localized_content.dart';
+import '../../core/platform/haptics.dart';
 import '../../core/theme/app_colors.dart';
 import '../../core/theme/app_theme.dart';
 import '../../core/widgets/auth_gate.dart';
@@ -350,6 +351,8 @@ class _PlayerPageState extends State<PlayerPage> with WidgetsBindingObserver {
             // 收藏/点赞要对到具体账号：未登录先引导登录（首页/详情仍可匿名浏览）
             onLike: () async {
               if (await ensureSignedIn(context)) {
+                if (!context.mounted) return;
+                unawaited(context.read<Haptics>().lightImpact());
                 final result = await interactions.toggleDramaLike(drama.id);
                 if (!result.isSuccess && context.mounted) {
                   ScaffoldMessenger.of(context).showSnackBar(
@@ -366,6 +369,8 @@ class _PlayerPageState extends State<PlayerPage> with WidgetsBindingObserver {
             onSave: () async {
               final favorites = context.read<FavoriteController>();
               if (await ensureSignedIn(context)) {
+                if (!context.mounted) return;
+                unawaited(context.read<Haptics>().lightImpact());
                 final ok = await favorites.toggle(drama.id, card: drama);
                 if (ok || !context.mounted) return;
                 ScaffoldMessenger.of(context).showSnackBar(